Read Codes, Clinical Terms Version 3 (CTV3)	APA Statistical Cluster	Source
http://ontology.apa.org/apaonto/termsonlyOUT%20(5).owl#Mean	http://purl.bioontology.org/ontology/RCD/X7938	LOOM
http://ontology.apa.org/apaonto/termsonlyOUT%20(5).owl#Median	http://purl.bioontology.org/ontology/RCD/X810M	LOOM